36450055890 has 96 divisors (see below), whose sum is σ = 98775331200. Its totient is φ = 9671042304.

The previous prime is 36450055883. The next prime is 36450055903. The reversal of 36450055890 is 9855005463.

36450055890 is a `hidden beast` number, since 3 + 6 + 4 + 5 + 0 + 0 + 558 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 445882 + ... + 521258.

It is an arithmetic number, because the mean of its divisors is an integer number (1028909700).

Almost surely, 2^36450055890 is an apocalyptic number.

36450055890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 36450055890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49387665600).

36450055890 is an abundant number, since it is smaller than the sum of its proper divisors (62325275310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36450055890 is a wasteful number, since it uses less digits than its factorization.

36450055890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75598 (or 75586 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 36450055890 in words is "thirty-six billion, four hundred fifty million, fifty-five thousand, eight hundred ninety".